ISO R 1982-1971 标准详情
- 标准号:ISO R 1982-1971
- 中文标题:工业用硝酸.铁含量的测定.2,2'-联吡啶光度法
- 英文标题:Nitric acid for industrial use; Determination of iron content; 2,2'- Bipyridyl photometric method
- 标准类别:国际标准化组织标准ISO
- 发布日期:1971-05-01
The method is applicable to the determination of iron contents greater than 0,0001 % (m/m). The principle consists in evaporation of a test portion, taking up by means of hydrochloric acid and reduction of iron(III) by means of hydroxylammonium chlor
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